Question

17-(-5)*7-11-6+ 10 - (-15)) - (5 - 7 + 9 - 10)]​

Answer 1

$17 - ( - 5) \times 7 - 11 - 6 + 10 - ( - 15) - (5 - 7 + 9 - 10) \\ \\ 17 + 5 \times 7 - 11 - 6 + 10 + 15 - 5 + 7 - 9 + 10 \\ \\ 17 + 35 - 17 + 25 - 14 + 17 \\ \\ 60 + 3 = 63$